Develop spatial perception and 3D problem-solving skills with this workbook that's designed to be used with Omnifix Cubes (not included). Forty-eight activities are included that introduce an understanding of 2-D and 3-D structures, problem solving from isometric, 3-D views, drawing & building from 3-D views, and problem solving with spatial relations. Grades 6-12. 96 classroom-reproducible pages, softcover. Solutions included.